Be very careful in using correlation! and It might be very useful for a feasibility study of a design; Always do the proper soil test for a real design. It is our job to convince the owner to do a proper soil test.

Gouw Tjie Liong, Ir., M.Eng, ChFC, PhD

Mr. Gouw is a certified Professional Geotechnical Engineer. He has been working in the field of Geotechnical Engineering since 1984. His expertise covering geotechnical investigation, soil intrumentation, deep foundation and excavation for high rise buildings, pile load testing (Static and PDA), pile integrity testing (PIT), sonic logging test, vibration monitoring, slope stability, ground anchors, pumping test, dewatering, micropiles, tunnelling and ground improvement works, e.g. dynamic compaction, vertical drain, vibro-compaction, geosynthetic and grouting. The jobs cover more than 180 projects in Indonesia, Singapore and Srilanka.
He has a great passion in the teaching and disseminating of geotechnical engineering knowledge. He serves as lecturer since late 1984. Currently, he serves as a senior lecturer at Bina Nusantara University, Jakarta, Indonesia. He also conduct regular geotechnical training for engineers.
He also chaired the Indonesian Chapter of International Geosynthetics Society since 2006.
He has published 80 papers and 22 technical notes.